cmake: include hid.cpp in android sources

CMakeLists.txt

@@ -1046,6 +1046,9 @@ if(ANDROID)
   endif()
   if(SDL_JOYSTICK)
     CheckHIDAPI()
+    if(HAVE_HIDAPI)
+      set(SOURCE_FILES ${SOURCE_FILES} ${SDL2_SOURCE_DIR}/src/hidapi/android/hid.cpp)
+    endif()
     set(SDL_JOYSTICK_ANDROID 1)
     file(GLOB ANDROID_JOYSTICK_SOURCES ${SDL2_SOURCE_DIR}/src/joystick/android/*.c ${SDL2_SOURCE_DIR}/src/joystick/steam/*.c)
     set(SOURCE_FILES ${SOURCE_FILES} ${ANDROID_JOYSTICK_SOURCES})